Well I also have fatigue, and only recently (2 weeks ago) I could greatly improve this fatigue, the point is that even cutting gluten, dairy, all grains, starch, nuts ... in a very radical diet by eating only meat , eggs (they do not cause me trouble), few fruits, and plenty of leafy vegetables. This diet was best for my symptoms and fatigue, but what really helped me was recently supplemental iodine, I had detox reactions of heavy metals (supplementation lugol), otherwise, the himalayan salt helped me a lot with energy also, but maybe you have problem with fructose, the fruit that I use are very limited, they may not have much fructose, the ideal in this case is to consume little fructose, eat more protein and fat. I'm still not 100%, but I can do activities without feeling heavy and exhausted as before. So that's it, try Iodine ...